Small light accurate powerful: all accurately describe the GLOCK 27. With its comfortable dimensions and the proven advantages of the GLOCK pistol family the G27 is popular with police both on and off duty. That's why so many law enforcement agencies issue this subcompact pistol in .40 caliber as their official backup pistol. - Length: 165 mm / 6.49 in. - Width: 30.00 mm / 1.18 in. - Length Between Sights: 137 mm / 5.39 in. - Height: 106 mm / 4.17 in. - Barrel Height: 32 mm / 1.26 in. - Barrel Length: 87 mm / 3.42 in. - Weights: Unloaded: 620 g / 21.89 oz. Loaded: 765 g / 27.00 oz. - Trigger Pull: ~2.5 kg / ~5.5 lbs. - Trigger Travel: ~12.5 mm / ~0.49 in. - Barrel Rifling: right hand hexagonal - Length of Twist: 250 mm / 9.84 in. - Magazine Capacity: Standard: 9 Optional: 13/15/22